The Open Rights Group is working on an amendment to the OSA which would propose a small site exemption, for sites that are maintained without a view to profit, with a small number of active users, and which the owner reasonably believes to pose no risk to users.
If you want to give thoughts on various parts of the potential amendments, there's a form here:
https://cloud.openrightsgroup.org/nextcloud/apps/forms/s/dQB6GSRQ4jHzGjxiYG5tAnDB